The symbolic name of a color lookup table parameter. Must be one of
GL_COLOR_TABLE_BIAS, GL_COLOR_TABLE_SCALE, GL_COLOR_TABLE_FORMAT, GL_COLOR_TABLE_WIDTH,
GL_COLOR_TABLE_RED_SIZE, GL_COLOR_TABLE_GREEN_SIZE, GL_COLOR_TABLE_BLUE_SIZE,
GL_COLOR_TABLE_ALPHA_SIZE, GL_COLOR_TABLE_LUMINANCE_SIZE, or GL_COLOR_TABLE_INTENSITY_SIZE.

params

A pointer to an array where the values of the parameter will be
stored.

When
pname is set to GL_COLOR_TABLE_SCALE or GL_COLOR_TABLE_BIAS, glGetColorTableParameter
returns the color table scale or bias parameters for the table specified
by target. For these queries, target must be set to GL_COLOR_TABLE, GL_POST_CONVOLUTION_COLOR_TABLE,
or GL_POST_COLOR_MATRIX_COLOR_TABLE and params points to an array of four
elements, which receive the scale or bias factors for red, green, blue,
and alpha, in that order.

glGetColorTableParameter can also be used to retrieve
the and size parameters for a color table. For these queries, set target
to either the color table target or the proxy color table target. The and
size parameters are set by glColorTable.

The following table lists the
and size parameters that may be queried. For each symbolic constant listed
below for pname, params must point to an array of the given length, and
receive the values indicated.